000 00312nam a2200121Ia 4500
008 221001s1967 xx 000 0 eng d
082 _a330.9 DAV
100 _aDavies, Duncan
245 0 _aIntroduction to technological economics
260 _aLondon
_bJohn Wiley
_c1967
300 _axvii, 194p.
942 _2ddc
_cBK
999 _c2325
_d2325